-package org.simantics.structural2.scl;\r
-\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.common.request.ResourceRead;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.layer0.Layer0;\r
-import org.simantics.structural.stubs.StructuralResource2;\r
-\r
-public class FindPossibleComponentTypeRequest extends ResourceRead<Resource> {\r
-\r
- public FindPossibleComponentTypeRequest(Resource resource) {\r
- super(resource);\r
- }\r
-\r
- @Override\r
- public Resource perform(ReadGraph graph) throws DatabaseException { \r
- StructuralResource2 STR = StructuralResource2.getInstance(graph); \r
- Resource type = graph.getPossibleObject(resource, STR.Defines);\r
- if(type != null)\r
- return type; \r
-\r
- Layer0 L0 = Layer0.getInstance(graph);\r
- Resource parent = graph.getPossibleObject(resource, L0.PartOf);\r
- if(parent != null && graph.isInstanceOf(parent, STR.Composite))\r
- return graph.syncRequest(new FindPossibleComponentTypeRequest(parent));\r
- else\r
- return null;\r
- }\r
-\r
-}\r
+package org.simantics.structural2.scl;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ResourceRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+import org.simantics.structural.stubs.StructuralResource2;
+
+public class FindPossibleComponentTypeRequest extends ResourceRead<Resource> {
+
+ public FindPossibleComponentTypeRequest(Resource resource) {
+ super(resource);
+ }
+
+ @Override
+ public Resource perform(ReadGraph graph) throws DatabaseException {
+ StructuralResource2 STR = StructuralResource2.getInstance(graph);
+ Resource type = graph.getPossibleObject(resource, STR.Defines);
+ if(type != null)
+ return type;
+
+ Layer0 L0 = Layer0.getInstance(graph);
+ Resource parent = graph.getPossibleObject(resource, L0.PartOf);
+ if(parent != null && graph.isInstanceOf(parent, STR.Composite))
+ return graph.syncRequest(new FindPossibleComponentTypeRequest(parent));
+ else
+ return null;
+ }
+
+}